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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Extending Diabetic Retinopathy Imaging from Color to Spectra
verfasst von : Pauli Fält, Jouni Hiltunen, Markku Hauta-Kasari, Iiris Sorri, Valentina Kalesnykiene, Hannu Uusitalo
Erschienen in: Image Analysis
Verlag: Springer Berlin Heidelberg
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In this study, spectral images of 66 human retinas were collected. These spectral images were measured in vivo from 54 voluntary diabetic patients and 12 control subjects using a modified ophthalmic fundus camera system. This system incorporates the optics of a standard fundus microscope, 30 narrow bandpass interference filters ranging from 400 to 700 nanometers at 10 nm intervals, a steady-state broadband lightsource and a monochrome digital charge-coupled device camera. The introduced spectral fundus image database will be expanded in the future with professional annotations and will be made public.